examples: primary qwen3-8b extractor

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

tests/test_examples_llm_extract.py

@@ -0,0 +1,81 @@
+"""Tests for LLM extraction — respx mocks the llama-cpp /completion endpoint."""
+from __future__ import annotations
+
+import json
+from datetime import date
+from decimal import Decimal
+
+import httpx
+import pytest
+import respx
+
+from fire_planner.examples.llm_extract import extract_with_qwen
+from fire_planner.examples.models import RawPost
+
+LLAMA_URL = "http://llama-cpp.llama-cpp.svc.cluster.local:8000/v1/chat/completions"
+
+
+def _post() -> RawPost:
+    return RawPost(
+        reddit_id="a1",
+        source_sub="ExpatFIRE",
+        url="u",
+        title="FIRE'd at 38 — Manila",
+        body="Net worth $1.2M, living in Manila with family of 3, retired last year.",
+        created_at=date(2026, 1, 1),
+    )
+
+
+@respx.mock
+@pytest.mark.asyncio
+async def test_extract_with_qwen_parses_json_response() -> None:
+    payload = {
+        "country": "Philippines",
+        "city": "Manila",
+        "portfolio_native": 1200000,
+        "annual_exp_native": 18000,
+        "raw_currency": "USD",
+        "age": 38,
+        "family_size": 3,
+        "fi_status": "FIRE",
+        "is_retired": True,
+        "confidence": 0.85,
+    }
+    respx.post(LLAMA_URL).respond(
+        200,
+        json={"choices": [{"message": {"content": json.dumps(payload)}}]},
+    )
+
+    async with httpx.AsyncClient() as client:
+        out = await extract_with_qwen(_post(), llama_url=LLAMA_URL, client=client)
+
+    assert out is not None
+    assert out.country == "Philippines"
+    assert out.portfolio_native == Decimal("1200000")
+    assert out.confidence == Decimal("0.85")
+    assert out.llm_model == "qwen3-8b"
+
+
+@respx.mock
+@pytest.mark.asyncio
+async def test_extract_with_qwen_returns_none_on_unparseable_json() -> None:
+    respx.post(LLAMA_URL).respond(
+        200,
+        json={"choices": [{"message": {"content": "definitely not json"}}]},
+    )
+
+    async with httpx.AsyncClient() as client:
+        out = await extract_with_qwen(_post(), llama_url=LLAMA_URL, client=client)
+
+    assert out is None
+
+
+@respx.mock
+@pytest.mark.asyncio
+async def test_extract_with_qwen_returns_none_on_http_error() -> None:
+    respx.post(LLAMA_URL).respond(500)
+
+    async with httpx.AsyncClient() as client:
+        out = await extract_with_qwen(_post(), llama_url=LLAMA_URL, client=client)
+
+    assert out is None